A war-hardened Crusader and his Moorish commander mount an audacious revolt against the corrupt English crown in a thrilling action-adventure packed with gritty battlefield exploits, mind-blowing fight choreography, and a timeless romance.

In a future where the polar ice-caps have melted and Earth is almost entirely submerged, a mutated mariner fights starvation and outlaw “smokers,” and reluctantly helps a woman and a young girl try to...